LASER an astronaut
 

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[Closed] LASER an astronaut

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I read an article a couple of weeks back about the increase in planes being lasered when coming into land.

How powerful a laser would I need to laser the spacestation?


 
Posted : 26/03/2016 2:55 pm
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[url= https://farm2.staticflickr.com/1688/25771017542_dd61be9282_z.jp g" target="_blank">https://farm2.staticflickr.com/1688/25771017542_dd61be9282_z.jp g"/> [/img][/url]

I've got a 3.5W one which is rated at 72km - but that's in atmosphere, so straight up should have no problem hitting something in orbit. Depends on what you want to do to the space station of course 😀


 
Posted : 26/03/2016 3:03 pm
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Depends on what you want to do to the space station of course

Draw attention to it during a presentation.


 
Posted : 26/03/2016 3:28 pm
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[img] [/img]


 
Posted : 26/03/2016 3:32 pm
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We've got some kit on a roof somewhere that was part of the OPALS development for the ISS- it can track and light up a satellite with an infrared laser, I can't recall offhand how high and how small it can target. It couldn't burn one though, it's a communications laser so just a couple of watts. IIRC there's similiar kit that does the same for the moon, though it's a bit easier to hit the moon I reckon.


 
Posted : 26/03/2016 3:38 pm
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Did Ministry of Sound not project their logo onto the moon with a laser for publicity


 
Posted : 26/03/2016 3:47 pm
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Just a guess.... you'll be really really unpopular if you do it.

I am not sure how much I can emphasis enough how really, really, really, unpopular that person would become.


 
Posted : 26/03/2016 3:47 pm
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Bit like farting in confined spaces?


 
Posted : 26/03/2016 3:53 pm
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..but with a higher chance of prolonged incarceration as a conciquence.


 
Posted : 26/03/2016 4:02 pm
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Did Ministry of Sound not project their logo onto the moon with a laser for publicity
Urban legend.

I love an excuse to link to XKCD:
https://what-if.xkcd.com/13/


 
Posted : 26/03/2016 4:02 pm
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Enjoyed that link, cheers for that


 
Posted : 26/03/2016 4:09 pm
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If you want to project a laser into space, there are mirrors on the moon you can bounce lasers off.


 
Posted : 26/03/2016 5:17 pm
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though it's a bit easier to hit the moon I reckon.

The retroreflector is pretty small, though - I think it took several thousand shots to get a return.


 
Posted : 26/03/2016 10:42 pm
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It boggles me that we can hit anything at that sort of distance.
The moon is 370,300 km away and the reflector isn't that big so you'd need a pretty steady hand!
What's half a degree of wobble at that range?

Of course ISS is a lot closer but it's moving pretty fast (17,100mph!)


 
Posted : 26/03/2016 11:06 pm
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But what if they were killer sharks with firkin lasers for eyes 😉


 
Posted : 27/03/2016 7:33 am
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[img] [/img]


 
Posted : 27/03/2016 8:49 am
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How about a cat with a laser beam on its head


 
Posted : 27/03/2016 9:46 am
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If the shark was on a treadmill.....


 
Posted : 27/03/2016 9:47 am

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